After Calculating the Sample Size Needed to Estimate a Population

question 30

Multiple Choice

After calculating the sample size needed to estimate a population proportion to within 0.05,you have been told that the maximum allowable error (B) must be reduced to just 0.025.If the original calculation led to a sample size of 1000,the sample size will now have to be

• A)2000.
• B)4000.
• C)1000.
• D)8000.

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Definitions:

National Income Accounting

A statistical approach that measures the overall economic activity and income of a country.

Economic Welfare

The overall well-being and standard of living of people in an economy, often measured by standards such as health, education, and income.

Negative Externalities

occur when the production or consumption of goods and services imposes costs on third parties not involved in the transaction.

Underground Economy

consists of unreported income from the production of legal goods and services, either due to tax avoidance or the desire to avoid government regulations.